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v3.25.4

Business Changes and Developments (Details) £ in Thousands, shares in Thousands, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 01, 2025 GBP (£) shares | Oct. 01, 2025 USD ($) shares | Dec. 31, 2025 USD ($) | Dec. 31, 2025 GBP (£) | Dec. 31, 2025 USD ($)
Business Combination [Line Items] |  |  |  |  |
Goodwill, Acquired During Period |  |  | $ 102,221 |  |
Amortization of Intangible Assets |  |  | 3,660 |  |
Impairment of Intangible Assets, Finite-Lived |  |  | $ 0 |  |
Robey Warshaw |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Business Combination, Consideration Transferred, Cash |  | $ 5,345 |  |  |
Robey Warshaw | Acquisition-related Awards |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Repayment period |  |  | 4 years |  |
Robey Warshaw | Investment Banking & Equities |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Goodwill, Acquired During Period |  | 102,221 |  |  |
Amortization of Intangible Assets |  |  | $ 3,660 |  |
Robey Warshaw | Advisory Backlog | Investment Banking & Equities |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived |  | $ 10,887 |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 18 months |  |  |
Robey Warshaw | Client Relationships | Investment Banking & Equities |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived |  | $ 22,850 |  |  |
Finite-Lived Intangible Asset, Useful Life |  | 3 years |  |  |
Robey Warshaw | Payable to Employees and Related Parties |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Consideration transferable on first anniversary |  | $ 94,893 |  | £ 74,813 | $ 100,796
Robey Warshaw | Other Noncurrent Liabilities |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Business Combination, Contingent Consideration, Liability, Noncurrent |  |  |  |  | $ 24,521
Robey Warshaw | First Anniversary Of Closing |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Business combination, consideration transferred, period due |  |  | 1 year |  |
Robey Warshaw | Sixth Anniversary Of Closing |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Business combination, consideration transferred, period due |  |  | 6 years |  |
Robey Warshaw | Class A |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Consideration | £ 71,250 | $ 95,767 |  |  |
Shares Issued as Consideration for Acquisitions | shares | 275 | 275 |  |  |
Robey Warshaw | Class A | Acquisition-related Awards |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Consideration Subject to Repayment | £ 62,700 | $ 84,275 |  |  |

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